题干
— Now I must go _______ I shall be late for the train.
— Have a good trip. Goodbye.
A：or
B：so
C：and
D：but
答案(点此获取答案解析）
A
— Now I must go _______ I shall be late for the train.
— Have a good trip. Goodbye.
A：or
B：so
C：and
D：but
